Pocket Watch Database

From the American Horology Archive:
Waltham Grade P.S. Bartlett Pocket Watch
Waltham Grade P.S. Bartlett Pocket Watch

American Waltham Watch Co.

Grade: P.S. Bartlett

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 949602
Grade: P.S. Bartlett
Model: 1857
Estimated Production Date: December 1876 - January 1877
Run Quantity: 500
Grade/Model Run: 2811 of 2837
Grade/Model Total Production: 293,359
Size: 18s
Jewels: 11j
Jewel Material: Ruby
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledger Book 1 [NAWCC]
c.1900 Waltham Factory Ledgers [Ehrhardt Transcription]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 6616.G3059.18S5599.181857M5377.O6257.K6256.11J3672
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
842.18
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
766.39
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.837%
Registry Population: 5 (1.00%)
$ Estimated Value (12 Month Change): -8.51% Analyzing 1,038 Sales
Research Note: Waltham Serial Ledgers designate run as a 10-Size P.S. Bartlett. However, #949602 has been verified as an 18-Size Model 1857.

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


Anonymous · February 20, 2022

Serial Number 949889 was reported as accurate.

Anonymous · October 1, 2020

Serial Number 949602 was reported as accurate.

Changes since this report was submitted:
Size changed from 10 to 18
Factory Model changed from 1874-10 to 1857
Adjusted changed from Yes to No

Anonymous · March 24, 2020

Serial Number 949918 was reported as accurate.

Changes since this report was submitted:
Size changed from 10 to 18
Factory Model changed from 1874-10 to 1857
Adjusted changed from Yes to No

Anonymous · March 24, 2020

Serial Number 949918 was reported as accurate.

Changes since this report was submitted:
Size changed from 10 to 18
Factory Model changed from 1874-10 to 1857
Adjusted changed from Yes to No

Anonymous · January 22, 2020

Serial Number 949536 was reported as accurate.

Changes since this report was submitted:
Size changed from 10 to 18
Factory Model changed from 1874-10 to 1857
Adjusted changed from Yes to No

Anonymous · January 22, 2020

Serial Number 949536 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Size changed from 10 to 18
Factory Model changed from 1874-10 to 1857
Adjusted changed from Yes to No
Plate changed from Unknown to Full

marlee268 4 · June 10, 2013

Serial Number 949670 was reported as inaccurate.

Note: NOT open face, has signature inside on movement in
'script', P.S. BARTLETT, also 'fogg's patent',
also says Waltham, Mass
Changes since this report was submitted:
Size changed from 10 to 18
Factory Model changed from 1874-10 to 1857
Adjusted changed from Yes to No
Plate changed from Unknown to Full

Anonymous · March 2, 2013

Serial Number 949670 was reported as inaccurate.

Note: Movement:Hunter
Size:18 s
Changes since this report was submitted:
Size changed from 10 to 18
Factory Model changed from 1874-10 to 1857
Adjusted changed from Yes to No
Plate changed from Unknown to Full
Waltham Grade P.S. Bartlett Pocket Watch
Waltham Grade P.S. Bartlett Pocket Watch